It's designed for three-phase power systems, which are the standard for industrial, commercial, and high-demand installations across Australia. It has two options as 3Ph and 1Ph, however, if a distribution board is going to be placed immediately after a three-phase source, then, only the 3Ph option will be available to select. It also provides protection against overloads, short circuits, and earth faults using circuit breakers and protective devices. Midwest offers a full line of terminal boxes for 240 volt single phase and three phase, and three phase 600 volt ratings to meet your application. From residential 100-amp panels to massive 600 amp main distribution panels in commercial facilities, this comprehensive guide will help you understand distribution board types, sizing calculations, and installation requirements to make informed decisions about your electrical infrastructure. What. PDB is the group of electrical parts where TPN MCCB is used for incoming and RCCB, ELCB are used for phase protection. Big commercial buildings—multi-story complexes—rely on these.
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